• Monday

    — SpaceX,
    SLC-40 (~28°N), Cape Canaveral SFS FL, USA
    Launch window open 23:42-23:57 EST (18:42-18:57 HT); 9th of 10 navigation satellites to MEO; 1st stage B1096 planned to make 5th landing on ASDA ASOG.

    Tuesday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Increasing space awareness and education, remembrances and events honor three Apollo 1 crew members lost in 1967 during a launch pad test: Command Pilot Virgil “Gus” Grissom,...
    — Rocket Lab,
    Launch Complex 1, ~39°S, Mahia Peninsula, New Zealand
    Launch window 11:45-15:00 New Zealand Daylight Time (12:45-16:00 January 26 Hawai'i Time); high-resolution optical camera for South Korea. The NeonSat constellation is the first satellite system developed...
    — Ministry of Education, Innovation and Talent Development (MEITD) Sarawak, Borneo Business Connect Sdn Bhd,
    Kuching, Sarawak, Malaysia
    APACE 2026 will serve as a premier aerospace event for over 1,000 professionals from more than 50 countries. It aims to establish Sarawak as Borneo’s aerospace hub...
    — Sun-Earth,
    Global / Inter-Global
    Total solar eclipse, starts 17:02:06 UTC (07:02:0 HST), will sweep across the Arctic, Greenland, Iceland, and northern Spain, offering up to 2 minutes of totality; Maximum Eclipse:...

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Educational and ceremonial events held worldwide to advance space technology / education and honor 7 crew members killed in Shuttle accident 28 January 1986: Commander Francis R....
    — Johns Hopkins University Applied Physics Lab (JHU-APL),
    Online
    Monthly teleconference on Excavation & Construction focus group (LSIC), covering lunar regolith handling, construction techniques, and infrastructure for missions.
    — SpaceCom, Lockheed Martin, National Space Society (NSS),
    Orlando FL, USA
    Commercial Space Week Expo (Jan 28-30) and SpaceCom | Space Congress (Jan 29-30): Powering The Next Space Age.  Explore the latest hardware, software, and services. Build new...
    Free
    — Nikkan Kogyo Shimbun Ltd,
    Tokyo, Japan
    Including collaborative project "Lunar Development Forum -Nikkanogoyo Moon Press", this exhibition attracts global companies, academic institutions, government agencies, and startups eager to showcase cutting-edge space technologies and...

    Thursday

    — Johns Hopkins University Applied Physics Lab (JHU-APL), Lunar Surface Innovation Consortium (LSIC),
    Online
    Subject is Thermal Management for Surface Power Systems with presentation by Sotirios Zormpas of Lunar Outpost on their innovative thermal energy storage system. Via Zoom at https://jhuapl.zoomgov.com/s/1611407987?pwd=TblSLZ0V6hHWPWxvPiGFfC8ELaIW4x.1
    — Secure World Foundation (SWF), Carnegie Endowment for International Peace,
    Washington DC, USA
    Invited experts from nuclear policy, space security, and commercial space to examine the growing risks at the intersection of these domains.

    Friday

    — International Lunar Observatory Association (ILOA Hawai'i), National Astronomical Observatories of the Chinese Academy of Sciences (NAOC-CAS), National Astronomical Research Institute of Thailand (NARIT), University of Hong Kong Laboratory for Space Research (HKU-LSR),
    Chiang Mai, Thailand
    Invitation-only 2nd international workshop to discuss ILO-C instrument being integrated on Chang'E-7 lunar lander for launch August 2026 / landing November 2026; participants from USA, China, Thailand,...
    — Centre National D’études Spatiales (CNES),
    Online
    International innovation contest -- hackathon -- joined in 100+ cities in 5 continents, aimed at imagining the products and solutions of tomorrow using space data and technology.

    Saturday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    American Artemis Return to the Moon For Good is underway, Mars attention and planning advancing, Outer Solar System search for life ongoing, and Interstellar craft on outgoing...
    — American Institute of Aeronautics and Astronautics (AIAA) Los Angeles Section,
    Lawndale CA, USA
    40th Anniversary Event for the Space Shuttle Challenger Tragedy. Michelle Evans will speak, lead discussion and present 2 of her documentary films: On the Way to the...
  • Sunday

    — China National Space Administration (CNSA),
    Mars Orbit
    China Tianwen-1 orbiter reaches 5 full years / begins 6th year of operations in Mars orbit; Lander & Rover touched down ~3 months after this date at...
    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Annual international conferences and events take place to further space exploration efforts in remembrance of Columbia 7 loss: Commander Richard D. Husband, Mission Specialist Laurel Clark, Payload...

    Monday

    — Office for Space Technology & Industry Singapore (OSTIn), Singapore Economic Development Board (EDB Singapore),
    Marina Bay Sands / Sands Expo and Convention Centre, Singapore
    Conference with exhibition, highlighting trends, challenges and opportunities in the global space industry. Space agency reps from NASA, ESA, JAXA, UAE, Philippines, Germany, Brazil, Malaysia and Thailand...
    S$1,550
    — Gemini Observatory, National Optical-Infrared Astronomy Research Laboratory (NOIRLab), Maunakea Observatories,
    Statewide Hawai’i, USA
    Annual event in its 22nd year, inviting STEAM professionals and Maunakea Observatories staff to participate in 200+ Hawai'i classroom visits, career panels, and community events.
    — International Association of Geomorphologists, ANZGG, University of Canterbury,
    Christchurch, New Zealand
    Includes track on planetary geomorphology for all Solar System bodies and exoplanets.

    Tuesday

    — SpaceX,
    SLC-40 (~28°N), Cape Canaveral SFS FL, USA
    Launch window 17:12-21:12 EST (12:12-16:12 HT) for 29 satellites; this 10 flight of Booster B1090 expects a landing on the ASOG ASDS barge in the Atlantic Ocean.
    — Civil Aviation Authority of Singapore (CAAS), Changi Airport Group, Singapore Exhibition and Convention Bureau,
    Changi Exhibition Centre 9 Aviation Park Rd, Singapore, Singapore
    Singapore Airshow is one of the world’s most influential international aerospace exhibitions, providing a platform for stakeholders to forge strategic alliances and collaborate to shape the future...

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    Kennedy Space Center Visitor Complex FL, USA
    Astronaut on Space Shuttle flights 58, 74 and 92, and Expedition 12 for 6 months aboard the International Space Station.
    $62
    — Ad Astra Kansas Foundation (AAKF), Space Age Publishing Company (SPC), Interstellar University LLC,
    Topeka KS, USA
    At the State Capitol, first floor Rotunda from 09:00-15:00; engaging with Kansas 'Ad Astra State' Officials and interested public on the proposal of an Interstellar University in...

    Thursday

    — Kanagawa Prefectural Government,
    Yokohama, Japan
    At Minato Mirai - Yokohama. The first space summit organized by a prefectural government in Japan.

    Friday

    — SpaceX,
    SLC-4E (~35°N), Vandenberg SFB CA, USA
    Launch window open 09:05-13:05 PST (07:05-11:05 HT) for 25 satellites; first stage Booster B1088 is expected to land for 13th time on OCISLY ASDS barge in Pacific...
    — California Institute of Technology (Caltech),
    Pasadena CA, USA
    Driven by great progress in exoplanet research over the past two decades, the field of high contrast imaging is assuming a larger and larger role in the...

    Saturday

    — SpaceX,
    SLC-40 (~28°N), Cape Canaveral SFS FL, USA
    Launch window 04:41-08:41 EST (23:41 Feb 6 - 03:41 Feb 7 HT) for 29 satellites; first stage Booster B1077 is expected to make 26th landing on JRTI...
    — American Institute of Aeronautics and Astronautics (AIAA) Los Angeles Section,
    Lomita CA, USA
    From Resilience to Reinvention: Crafting What's Next in Your Career with speakers Dennis Leung, Andy Tien, Rick Baumgartner; 11:00-14:40 PST, at Lomita Library, 24200 Narbonne Avenue.
    — British Interplanetary Society (BIS),
    London, United Kingdom
    Attend to hear fascinating talks from experts in the fields of astronomy and space science. With conference hosts; Dr Stuart Clark and Dr Lucie Green. BIS stand...

    Sunday

    — Unknown (likely a long-period) Comet,
    Worldwide
    Best-known for occasional rare, intense bursts and bright, long-lasting fireballs, they average 3–6 meteors per hour, up to 25+; body producing them is still unknown; seen in...

    Monday

    — United Arab Emirates Space Agency (UAESA),
    Mars Orbit
    UAE Hope Orbiter, studying Mars atmosphere and climate, reaches 5 full years / enters 6th year in Mars orbit today; launched July 19, 2020 on JAXA H2A...
    — Redeemer University College, International Conference on Aerospace Science and Astronomy (ICASA), University of New South Wales,
    Chongqing, Sichuan, China
    The conference will focus on the latest developments and future trends in aerospace science and astronomy. Topics range from satellite technology innovation to deep space exploration missions and...

    Tuesday

    — SpaceX,
    SLC-4E (~35°N), Vandenberg SFB CA, USA
    Launch window 06:00-10:00 PST (04:00-08:00 HT) for 25 satellites; first stage Booster B1081 expected to land for 22nd time on OCISLY ASDS barge in Pacific Ocean.
    — European Space Policy Institute (ESPI),
    Online
    Webinar, 15:30-17:00 Central European Time (UTC+1) (04:30-06:00 HT), to discuss ongoing issues and future activities involved in European access to space. 8 presenters include people from Arianespace,...
    — SmallSat Symposium,
    Computer History Museum, Mountain View CA, USA
    Intensive 3-day forum for: Gaining front-line insight into new missions, business models and launch architectures; Securing meaningful, one-on-one connections with decision-makers and funders; Positioning yourself and your...
    $795
    — International Committee on Global Navigation Satellite Systems (ICG), Interagency Operations Advisory Group (IOAG), United Nations Office of Outer Space Affairs (UNOOSA),
    Vienna, Austria
    The Moon is a primary focus for space activities around the world in the coming decades, including orbiters, landers, rovers, human activities, science, and both short- and...

    Wednesday

    — SpaceX,
    SLC-40 (~28°N), Cape Canaveral SFS FL, USA
    Launching at 06:00 EST (01:00 HT); SpaceX Crew-12 is the 12th crewed operational flight of a Crew Dragon spacecraft to the International Space Station as part of...
    — Maryland Space Business Roundtable (MSBR),
    Greenbelt MD, USA
    11:30-13:00 EST, with Jim Bridenstine, Managing Partner for The Artemis Group, the 13th Administrator of NASA, where he was responsible for managing its 70,000-person workforce and $23...

    Thursday

    — United Launch Alliance (ULA),
    SLC-41 (~28°N), Cape Canaveral SFS FL, USA
    2 identical satellites, GSSAP-7 and GSSAP-8 (Geosynchronous Space Situational Awareness Program) to near-geosynchronous orbit ~36,000km above Earth equator, contributing to timely and accurate orbital predictions, further enabling...
    — Arianespace,
    Launch Area 4, ~5°N, Guiana Space Centre, French Guiana
    To carry 32 satellites to ~600 km altitude LEO for broadband internet, part of projected 3,276 satellites
    — Khrunichev State Research and Production Space Center, Moscow, Russia,
    Baikonur Cosmodrome, ~46°N, Kazakhstan
    Launching 13:56 UTC+5 (22:56 on February 11 HT) for meteorological satellites to capture images of clouds and underlying Earth surface, and to collect and measure heliogeophysical and...

    Friday

    — Maunakea Observatories,
    Online / Hawai'i
    The annual Maunakea Coin Contest is open to all Big Island students in grades K to 12, including homeschooled children. The 2026 Maunakea Coin Contest opens on...

    Saturday

    — SpaceX,
    SLC-4E (~35°N), Vandenberg SFB CA, USA
    Launch window midnight - 04:00 PST (22:00 Feb 13 - 04:00 Feb 14 HT) for 25 satellites; first-stage Booster B1100 expected to make 3rd landing on OCISLY...

    Sunday

    Monday

    — SpaceX,
    SLC-40 (~28°N), Cape Canaveral SFS FL, USA
    Launch window 02:05-06:05 EST (21:05 Feb 15 - 01:05 Feb 16 HT) for 29 satellites. Booster B1077 expected to make 26th landing on JRTI ASDS barge in...

    Tuesday

    — SpaceX,
    SLC-40 (~28°N), Cape Canaveral SFS FL, USA
    Launch window 17:00-21:00 EST (12:00-16:00 HT) for 29 satellites. Booster B1092, after this 10th reuse, expected land on JRTI ASDS in the Atlantic Ocean.
    — Johns Hopkins University Applied Physics Lab (JHU-APL), Lunar Operating Guidelines for Infrastructure Consortium (LOGIC),
    Online
    February Working Group meeting, 10:00-11:30 EST (UTC-5). Lunar Operating Guidelines for Infrastructure Consortium brings together the international and commercial lunar community around adopting, adapting and potentially authoring interoperability standards, ensuring...
    — Lunar Calendar,
    China (Zhongguo) / Worldwide
    Lunar New Year 2026 Spring Festival marks the Year of the Horse.
    — Sun-Earth,
    Global / Inter-Global
    Begins 11:42 UTC (01:42 HST), maximum at 12:13 UTC, creating a "ring of fire" visible primarily over remote parts of Antarctica and the southern ocean; 96% of...

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    Mars Surface
    Mars 2020 Perseverance Rover reaches 5 full years / enters 6th year on Mars surface having landed in Jezero Crater on this day in 2021; it carried...
    — Connected DMV,
    Tysons VA, USA
    Inaugural event for visionaries shaping the new space economy, including in-space manufacturing / research and tourism / homesteading, underpinned by technologies in aerospace, robotics, data capabilities. Invited...
    Free – $649
    — Space Foundation,
    Dallas TX, USA
    Focus is on innovative financing models; invited are executives, financiers. investors, public-sector leaders; discussed will be Texas Space Commission US$300M in grant funding. At JW Marriott Dallas...
    $1250 – $1500
    — International Academy of Astronautics (IAA), University of Texas at Austin (UT), Strauss Center for International Security and Law,
    Austin TX, USA
    Sponsored by the Space Security, Safety, and Sustainability (SSSS) Program at The University of Texas at Austin’s (UT) Strauss Center for International Security and Law in partnership with the...

    Thursday

    — Griffith Observatory,
    Los Angeles CA, USA
    Griffith Observatory broadcasts this public program live 19:00-20:30 PST from the Leonard Nimoy Event Horizon Theater. Join the Observatory's curatorial staff as they examine and explain the...

    Friday

    — Indian Space Research Organisation (ISRO),
    Satish Dhawan Space Center, ~14°N, Sriharikota, India
    Launch window open 16:00-20:00 India Standard Time (UTC+5.5) (00:30-04:30 HT) for Earth-observing satellite to geostationary orbit above India. Expected to be 5th successful launch of GSLV Mk...

    Sunday

    Monday

    — Indian Space Research Organisation (ISRO), North Eastern Space Applications Centre (NESAC),
    Meghalaya, Shillong, India
    A biennial event organized by ISRO for researchers working in the fields of atmospheric, space and planetary sciences, astronomy and astrophysics, and the exploration of solar system bodies....

    Tuesday

    — Beyond Earth Institute,
    Washington DC, USA
    From Space Habitat to Space Town: Creating a Clear Pathway. Featured speakers include Pete Worden, Scott Pace and Bhavya Lal. Subjects include Lunar Territorial Allocations, Space Governance...
    $65 – $695

    Wednesday

    — Space One,
    Spaceport Kii, ~33.5N, Kushimoto, Wakayama Prefecture, Japan
    Launch window 11:00-11:20 UTC+9 (16:00-16:20 Feb 24 HT) for 4 satellites to Sun-Synchronous Orbit, TATARA-1R, SC-Sat1a, HErO and AETS-1, launching on a 4-stage all-solid-fuel small-satellite vehicle Space...
    — American Institute of Aeronautics and Astronautics (AIAA),
    League City TX, USA
    Taking place at South Shore Harbour Resort & Conference Center in League City, Texas; ASCENDxTexas is where leaders from government, industry, and academia come together to collaborate on...

    Thursday

    — National Aeronautics and Space Administration (NASA), SpaceX,
    Low Earth Orbit (LEO)
    After a final reboost of the ISS, CRS-33, SpaceX Cargo Dragon, is scheduled to undock from the International Space Station for return to Earth, with research samples...

    Friday

    — International Lunar Observatory Association (ILOA Hawai'i), Maunakea Visitor Information Station (Onizuka Center for International Astronomy "Hale Pōhaku"),
    Hale Pohaku ~9,200 ft, Mauna Kea HI, USA
    3:00 pm - Volunteers and speakers arrive/eat at HP 4:30 pm - Guests arrive @HP 4:45 - 5:45 pm - Lecture 6 pm - Volunteers set up telescopes (Weather...

    Saturday

  • Sunday

    — University of Alabama in Huntsville (UAH),
    University of Alabama in Huntsville (UAH), Huntsville AL, USA
    3rd annual conference to convene space industry professionals to explore the flourishing space economy. Registration costs reduces for National Space Club members, Space Force Association members, federal...
    $150 – $575

    Monday

    Tuesday

    — Space Dynamics Laboratory, Draper Laboratiry,
    North Logan UT, USA
    This Workshop aims to unite USA Government, commercial, and academic entities interested in discussing RPO best practices, identifying technology gaps, and pioneering new solutions. Together, we can...
    — National Aeronautics and Space Administration (NASA), Association of Spaceflight Professionals (ASP),
    Online
    For more information, visit the NASA Human Research Program Investigators' Workshop event page; this year's event will be held in a virtual format only.  Continue to visit the...
    — Full Moon,
    Moon Orbit
    Maximum eclipse 11:33 UTC (01:33 HST); visible across North America, the Pacific, East Asia, and Australia. The total phase (totality) lasts from 11:04 to 12:02 UTC. 

    Wednesday

    — Space-Comm Ltd,
    London, United Kingdom
    At ExCel London; expecting ~6,000 participants, 200+ speakers, 250+ exhibitors. Keynote speakers include Greg Autry. Connect, collaborate and explore cutting-edge technologies across upstream, downstream and space services....

    Friday

    — National Aeronautics and Space Administration (NASA),
    SLC-39B, ~29°N, Kennedy Space Center FL, USA
    Launch window open 20:29-22:29 EST (15:29-17:29 HT) for crew of 4 in Orion spacecraft on Moon flight to last 10-14 days; 3 USA and 1 Canada Astronaut:...

    Saturday

    — British Interplanetary Society (BIS),
    Bristol, United Kingsom
    09:30-17:00 UT at Aerospace Bristol Museum; The BIS will have a stand at this event, as astronomy societies from Bristol and Cardiff, and Bath Astronomers, alongside the...
    — British Interplanetary Society (BIS),
    Online
    14:00-15:15 UT; For almost twenty thousand years, human beings have shared their lives with their animal companions. Cats and dogs have accompanied explorers and settlers wherever they...
    — MDA Space, Students for the Exploration and Development of Space (SEDS),
    Montréal, Quebec, Canada
    Aims to enable resource sharing and collaboration while building next-gen engineers. Canadian Space Agency offers grants for attendance to postsecondary students to attend. At John Molson School...
    C$75 – C$150
    — Institute of Electrical and Electronics Engineers (IEEE), American Institute of Aeronautics and Astronautics (AIAA),
    Big Sky MT, USA
    The international IEEE Aerospace Conference, with AIAA and PHM Society as technical cosponsors, is organized to promote interdisciplinary understanding of aerospace systems, their underlying science and technology,...

    Thursday

    — American Astronautical Society (AAS), National Aeronautics and Space Administration (NASA),
    Washington DC, USA
    63rd year of bringing the space community together to discuss the latest in the industry, including Moon communications and 2026 space policy. At National Housing Center, 1201...
    $20 – $875

    Sunday

    — SpaceX,
    Starbase, 25.9°N, Boca Chica TX, USA
    12th flight overall of the two-stage Starship vehicle, but first of bigger / more-powerful Version 3 / V3; projected to launch "in six weeks" from January 25...

    Monday

    — Lunar and Planetary Institute (LPI), Universities Space Research Association (USRA),
    The Woodlands TX, USA
    Expecting 2,000+ for the latest science, research, discoveries; at Waterway Marriott and online. Abstract peer review drives selection of presenters from global scientific community. LPSC began in...
    $400 – $700

    Friday

    — Sun-Earth,
    Worldwide
    Occurs 04:45 HST / 14:45 UTC; March equinox is known as the vernal equinox (or spring equinox) in the Northern Hemisphere and as the autumnal equinox (or...

    Saturday

    — American Institute of Aeronautics and Astronautics (AIAA),
    San Luis Obispo CA, USA
    Research papers are presented in a formal technical meeting atmosphere, and ideas are exchanged and programs discussed. Cash prizes given for 1st, 2nd and 3rd place papers...

    Sunday

    TBD, Botswana
    Part of AfAS-2026 Annual Conference (Botswana), In collaboration with NASA SSERVI Features presentations on lunar science, planetary exploration, and human spaceflight to the Moon and beyond. Call...

    Monday

    — Access Intelligence LLC,
    Walter E. Washington Convention Center
    Satellite industry first and largest experience of the year — uniting commercial innovators, government and military decision-makers, and end-users from 110+​ ​countries in Washington, D.C.
    $149

    Tuesday

    — International Astronautical Federation (IAF),
    Paris, France
    At New CAP Conference Centre.

    Friday

    — British Interplanetary Society (BIS),
    London, United Kingdom
    17:30 UT, in person and online, this event brings together leading women from across the space industry to explore the milestones shaped by women and the pathways...
    — American Institute of Aeronautics and Astronautics (AIAA),
    Houston TX, USA
    Research papers are presented in a formal technical meeting atmosphere, and ideas are exchanged and programs discussed. Cash prizes given for 1st, 2nd and 3rd place papers...

    Monday

    — UzCosmos National Space Agency of Uzbekistan,
    Tashkent, Uzbekistan
    5th conference to convene space agencies, satellite operators, startups; expecting 400+ delegates, 40+ speakers, 25 exhibitors.
    £995 – £1195
  • Wednesday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Commemorations occur today in honor of 1st ever NASA Space Shuttle Columbia carrying John Young and pilot Robert Crippen around Earth on 54.5-hour mission in 1981.
    — United Launch Alliance (ULA),
    SLC-41 (~28°N), Cape Canaveral SFS FL, USA
    NET Apr — Launch Atlas V / Starliner: Next launch of Starliner crew vehicle set to occur "early 2026", unknown whether craft will carry crew on this...

    Thursday

    — Full Moon,
    Moon Orbit
    02:12 UTC (14:12 HT)

    Friday

    — Hawai'i, USA,
    Statewide Hawai’i, USA
    Recognized proclamation to celebrate the first-ever imaged black hole M87* by Event Horizon Telescope collaboration involving Mauna Kea Observatories, given the Hawaiian name Pōwehi; imaged in April 2017 and...

    Sunday

    — American Institute of Aeronautics and Astronautics (AIAA),
    College Park MD, USA
    Research papers are presented in a formal technical meeting atmosphere, and ideas are exchanged and programs discussed. Cash prizes given for 1st, 2nd and 3rd place papers...
    — Yuri's Night,
    Worldwide
    Launching parties around the world every year on or around April 12th, in commemoration of Yuri Gagarin becoming the first human to venture into space on April...

    Monday

    — Space Foundation,
    Colorado Springs CO, USA
    Theme: Building Capacity Through Innovation and Collaboration. Expecting 10,000+ registrants, 247 exhibitors, 24 space agencies, 1500+ organizations. At The Broadmoor Hotel & Cheyenne Mountain Resort.
    Free
    — American Society of Civil Engineers (ASCE), Texas A&M University,
    College Station TX, USA
    20th International Conference on Engineering, Science, Construction and Operations in Challenging Environments: ASCE Earth & Space 2026

    Tuesday

    — California Polytechnic State University (Cal Poly),
    San Luis Obispo CA, USA
    At Performing Arts Center San Luis Obispo. 3 Day Professional Pass (Includes Admission & Networking Dinner): Early Bird Registration**  - $450 (ends Febuary 1st) Regular Registration - $550...

    Wednesday

    — Johns Hopkins University Applied Physics Lab (JHU-APL),
    Laurel MD, USA
    AIAA secret/NOFORN event covering the strategic, programmatic, and technical topics and policy issues pertaining to the aerospace and defense community.

    Saturday

    Sunday

    — The Planetary Society,
    Washington DC, USA
    Annual advocacy event that connects space advocates with their members of Congress in Washington D.C.

    Tuesday

    — Comet C/1861 G1 (Thatcher),
    Worldwide
    Best seen from Northern Hemisphere, with a lower hourly rate in the Southern Hemisphere, Lyrids seem to stream from the Constellation Lyra. They actually derive from the...

    Wednesday

    — Johns Hopkins University Applied Physics Lab (JHU-APL),
    Laurel MD, USA
    The goal of this workshop is to bring together interdisciplinary scientists to discuss outstanding science questions about Io -- the most volcanically active world in the Solar...

    Friday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA spacecraft with 2.4-meter diameter main telescope begins 37th year in space today, launched Apr 24, 1990; could continue operations until 2040s.
    — China National Space Administration (CNSA),
    China (Zhongguo)
    Commemorating the launch of China’s first satellite, Dongfanghong-1 on April 24, 1970.

    Monday

    — Sophia Centre for the Study of Cosmology in Culture, University of Wales Trinity Saint David, Yildiz Technical University,
    Istanbul, Türkiye
    Planned topics include star and constellation myth and imagery; modern and ancient astronomy of China, India, Central Asia, West Asia, North Africa, the Eastern Mediterranean and Europe.

    Tuesday

    — Lunar Surface Innovation Consortium (LSIC), Johns Hopkins University Applied Physics Lab (JHU-APL),
    Multiple Locations
    April 28 meeting will be hosted at the Johns Hopkins University Bloomberg Center, 555 Pennsylvania Ave NW, Washington DC, and April 29 / 30 events will be...
  • Friday

    — International Lunar Observatory Association (ILOA Hawai'i),
    Scarsdale NY, USA
    Wendy Crumrine to present "First Women on the Moon" to Scarsdale High School (SHS) students, marking another Galaxy Forum for the SHS Centennial Plaque.
    — Full Moon,
    Moon Orbit
    17:24 UTC (07:24 HST).
    — International Space Day,
    Worldwide
    First Friday in May, events and presentations to promote STEM education and inspire people to continue the work of Space explorers; originally began as ‘National Space Day’...

    Saturday

    — Maunakea Observatories, University of Hawai'i Institute for Astronomy,
    Hilo HI, USA
    Family-friendly free event to educate and entertain about astronomy and space, with >30 organizations hoping to inspire next-generation science and technology leaders. Booths / tables may have...

    Sunday

    — European Geosciences Union,
    Vienna, Austria
    Includes Lunar Session for discussion of the latest advancement in lunar science, exploration and sustainable utilization, including the deep interior, subsurface structure, surface morphology, up to atmospheric...
    Free – €765

    Monday

    — International Astronomical Union (IAU),
    Hong Kong, China
    The Asia Pacific Regional International Astronomical Union (IAU) Meeting is a highly anticipated gathering that convenes astronomers, researchers, and enthusiasts from countries across the Asia Pacific region....

    Tuesday

    — NordSpace,
    Ottawa, Ontario, Canada
    With theme Building a Spacefaring Nation, expects ~400 attendees with added technical content track; at Canada Aviation and Space Museum.

    Thursday

    — China National Space Administration (CNSA),
    Utopia Planitia, 25.1°N 109.9°E, Mars Surface
    Tianwen-1 Lander and Zhurong Rover celebrated today for China's first successful landing on Mars; craft landed on this day in 2021 in Utopia Planitia, Mars Surface.
    — Kennedy Space Center Visitor Complex, Astronaut Scholarship Foundation (ASF), Delaware North,
    Kennedy Space Center Visitor Complex FL, USA
    With Astronauts Tom Akers and Joe Tanner, at Hilton Cocoa Beach; Induction Ceremony & Gala at Kennedy Space Center; talks, panel discussions, and receptions in celebration of...

    Monday

    Tuesday

    — American Institute of Aeronautics and Astronautics (AIAA), Commercial Space Federation (CSF), Space Force Association, Space Generation Advisory Council (SGAC), Lockheed Martin, ISS National Laboratory,
    Washington DC, USA
    Accelerating Space Commerce, Exploration, and New Discovery

    Thursday

    — China National Space Administration (CNSA),
    Earth-Moon L2 Lagrange point
    China Queqiao “bridge of magpies” satellite reaches 8 full years / enters 9th year in space today, launched 2018 to provide far side communications to Earth from...

    Monday

    — USA Congress,
    Nationwide USA
    NASA Artemis program to land 1st Woman and Person of Color on Moon is well underway as today is recognized for Kennedy declaring to congress “I believe that...

    Tuesday

    — von Karman Institute for Fluid Dynamics,
    Brussels, Belgium
    Organized by the von Karman Institute for Fluid Dynamics, the 32nd AIAA/CEAS Aeroacoustics Conference (Aeroacoustics 2026) is the premier international forum dedicated to aeroacoustics research and innovation....
    €475

    Saturday

    — Full Moon,
    Moon Orbit
    22:46 HST // 08:46 UTC on May 31.
  • Monday

    — China National Space Administration (CNSA),
    Apollo Basin, 153.99° W 41.63° S, Moon Surface
    Chang'E-6 mission is commemorated, having landed on this day in 2024, and returning the first-ever samples from the lunar farside to Earth.
    — Rocket Lab,
    Launch Complex 1, ~39°S, Mahia Peninsula, New Zealand
    Launch Electron / Venus probe: Independent mission to Venus developed by Rocket Lab and MIT to send tiny probe flying in atmosphere for 5 minutes at altitude 48-60...

    Tuesday

    — International Astronautical Federation (IAF), Rwanda Space Agency (RSA),
    Kigali, Rwanda
    Uniting Space and Earth for Climate Resilience. The conference will bring together the international community, space agencies, industry, government, academia and NGOs, and representatives of non-space sectors...
    — South African Radio Astronomy Observatory (SARAO), ZA Space, Hauweng, Advanced Business Events,
    Pretoria, South Africa
    Expecting 300 exhibitors, 500 companies, 25 countries, 3,000 B2B (business to business) meetings
    — Space Resources Roundtable (SRR),
    Golden CO, USA
    As it has done since 1999, this conference will bring together world experts from space agencies, research organizations, academia, the space private sector, the mining supply chain,...

    Thursday

    — American Astronautical Society (AAS),
    Monterey VA, USA
    Design-build-launch competition for space-related topics open to teams from universities and colleges. Teams must be able to design and build a space-type system, following the approved competition...